123580180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{811}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 274196160

約数和(自身を除く): 150615980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 401, 802, 811, 1604, 1622, 2005, 3244, 4010, 4055, 7619, 8020, 8110, 15238, 15409, 16220, 30476, 30818, 38095, 61636, 76190, 77045, 152380, 154090, 308180, 325211, 650422, 1300844, 1626055, 3252110, 6179009, 6504220, 12358018, 24716036, 30895045, 61790090, 123580180]

約数ペア:

[(1, 123580180), (2, 61790090), (4, 30895045), (5, 24716036), (10, 12358018), (19, 6504220), (20, 6179009), (38, 3252110), (76, 1626055), (95, 1300844), (190, 650422), (380, 325211), (401, 308180), (802, 154090), (811, 152380), (1604, 77045), (1622, 76190), (2005, 61636), (3244, 38095), (4010, 30818), (4055, 30476), (7619, 16220), (8020, 15409), (8110, 15238)]